Plan ing-machine



E. F. AUTENRIETH.

(No Model.)

PLANING MACHINE.

Patented June 18, 1889.

UNITED STATES PATENT OFFICE.

ERNST E. AUTENRIETH, NEV YORK, ASSIGNOR TO THE GLEN COVE MA- CHINECOMPANY, (LIMITEDQ OF BROOKLYN, NEIV YORK.

PLANlNG-MACHINE.

SPECIFICATION forming part of Letters Patent No. 405,390, dated June 18,1889.

Application tiled December 14, 1888. Serial No. 293,567. (No model.)

To all whom, it may concern.' hubs c upon the links C. The shaft Dpasses Be it known that I, ERNST F. AUTENRIETH, loosely through thehollow portion d of the of New York, in the county and State of Newcasting. The casting may therefore swing York, have invented a certainnew and useful freely upon the hubs c and upon the shaft B Improvementin Planing-Machines, of which The bearings e for the journals of thepress- 5 5 the following is a specification. er-rollers E are formedupon arms g, extend- My improvement relates more'particularly ing fromthe housings d. It will therefore be to means for supporting andadjusting the seen that by a single casting I provide supupperpresser-rollers in a planing-machine. ports for the upper roll E at bothits ends,

1o I have only illustrated such portions of a and provide a rigidconnection between the 6o planing-machine as are essential to an untwo,whereby the movements of the upper derstanding of my improvement. rollat both its ends in a vertical direction In the accompanying drawings,Eigurel is must be identical, and the vroll and the shaft a plan or topview of an upper presser-roller D always have their centers at the samedisand mechanism embodying my improvement. tance apart. Upon the shaft Gof the roller 65 Fig. 2 is an end view. Fig. 3 is avertical sec- E aregear-wheels g', which gear-wheels gear tion looking in the direction ofthe arrow, with the gear-wheels D. As the gear-wheels Fig. l. Fig. 4 isa perspective view of a cer- D may swing upon the links C, the geartaincasting forming a support for the upper wheels g will always remain ingear with the 2o presser-roll, the same being shown inverted.gear-wheels D in whatever position the roller 7o Similar letters ofreference designate corre- E may be adjusted vertically. sponding partsin all the figures. The shaft G of the upper roll E is journaled Adesignates the lower presser-roll, jourin j ournal-boxes H, adapted toslide vertinaled, as usual, to fixed bearings et and decally on guidesII'. Upon one of the journalriving motion from gear-wheels B. Thegearboxes H is formed a nut L. Engaging the 75 wheels B are mounted upona shaft B', which nut L is a screw J, which screw is adapted to shaftisjournaled in suitable bearings formed be rotated by a handle J upon itsupper end. in hubs b, extending inwardlyfrom portions The lower end ofthe screw J may connect of the main frame of the machine. withaleverorrod.V (Not shown.) When the 3o C designates links, which linksloosely surhandle J is rotated, it operates, owing to the 8o round, neartheir lower ends, the hubs b in rigid connection between the bearings e,to such manner that they may rock on said raise and lower bothjournal-boxes I-I and hubs. Near their upper ends the links C are bothends of the upper roll 'E simultaneously provided with hubs c, whichhubs extend inand uniformly. It will therefore be seen that wardly. by asingle screw located at one side of the 85 D designates a shaftjournaled in the hubsV machine not only is a parallel hoist of the upcof the links C. Upon this shaft are mounted per presser-roll effected,but a uniform adgear-wheels D. Thegear-wheels D gear justment ofpressure is effected. with the gear-wheels B. The rotation of the Vhat Iclaim as myinvention,and desire to f. gear-wheels B, therefore, causesthe rotation of secure by Letters Patent, is 9o the gear-wheels D. l. Ina planing-machine, the combination,

E designates the upper presser-roll. This with a lower presser-roll, ofan upper presserpresser-roll is supported in boxes H, which roll,gearing transmitting motion from one are supported in bearings e, formedin a castroll to the other, vertically-movable journaling F. (Shown moreclearly in Fig. 4.) This boxes for the upper roll, guides in which said95 casting F comprises housings d, which cover journal-boxes move, arigid connection beand protect the gear-wheels D', and a hollow tweenopposite ends of the upper roll made portion d', forming a connectionbetween the independently of the upper-roll shaft and exhousings d.Formed upon the housings d tending widthwise of the machine in close 5oare hubs d2, which hubs loosely surround the proximity to the upperroll, and a single screw roo operating through said rigid connection toupon the shaft G, and the Casting F, engagcause lpmfaletl ratnillg andlowriig of the up'n ing the shaft G, substantially as specified. per 1'0su s an la y as speci ec. w 1 w x 2. In a; planing-machine, thecombination, LRNST Ii' AU FENRH H 5 with tho shaft B', of the links C,hung upon NTitllesses:

said shaft and provided. With hubs c, the shaft FREDK -HAYNES, D,journaled in the hubs c, the roll E, mounted ARTHUR II. GAMBLIN.

